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Add a Watermark to PDF

Add a text watermark to every PDF page online. Mark drafts and confidential files in your browser.

  • Private when possible
  • No account required

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About this tool

Label drafts and confidential packets with a diagonal text watermark on each page. Processing stays on your device with pdf-lib drawing.

How to use

  1. Upload a PDF.
  2. Enter watermark text.
  3. Apply the watermark.
  4. Download the stamped PDF.

Features

  • Custom text watermark
  • Diagonal semi-transparent stamp
  • Applies to all pages
  • Client-side drawing

Common use cases

  • Mark drafts
  • Confidential labels
  • Sample document stamps

Supported formats

PDF

Privacy

This tool processes data in your browser. Content is not uploaded to our servers unless a feature explicitly requires a network request.

Frequently asked questions

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